Most consecutive playoff series victories: 19, by 1980-1984 New York Islanders, spanning four consecutive Stanley Cup titles and five playoff seasons. This is a record for all North American professional sports franchises

Most comebacks from a 3-1 series deficit: 3 by the Vancouver Canucks

Teams to come back from a 3-0 series deficit: Toronto Maple Leafs (1942 over the Detroit Red Wings), New York Islanders (1975 over the Pittsburgh Penguins), Philadelphia Flyers (2010 over the Boston Bruins)